Video: How to adjust the contrast on your Silcon UPS

Cause:
Display may be difficult to read under certain lighting conditions

Resolution:
If the display on your Silcon shows no values and you believe the UPS is powered, it may be a simple contrast issue.
To adjust the contrast of your display, Hold down the number 1 button while simultaneously pressing the up or down button. This will cause the display contrast to go up and down.